According to the report, the agency will only reprimand the operators whose untagged buses are apprehended by the agency during the first week. After that first-week trial period, however, the MMDA will strictly implement the tagging scheme as first-time offenders will be fined P500, while those who are apprehended a second time might have their bus franchises suspended or canceled by the Land Transportation Franchising and Regulatory Board upon the recommendation of the MMDA.

"On the first week, we will only give warning to the city bus drivers and conductors, but after that, we will be very strict with the enforcement of this resolution," said MMDA chief Francis Tolentino. "Any city bus caught violating the scheme shall be meted appropriate sanctions."

By October, the MMDA plans to expand the tagging scheme to include provincial buses, AUVs, school shuttle service, taxis, and cargo trucks as well.

The tag works by having a public-utility vehicle's license plate number painted on its roof, front, back and two sides using a color scheme for easy classification. The color scheme is as follows:

Besides helping the MMDA track down "colorum" and out-of-line vehicles as well as assist the agency in its traffic monitoring and surveillance tasks through its network of closed-circuit television cameras, the vehicle tagging scheme will reportedly also aid the Philippine National Police's capability to monitor and track down marked PUVs during emergency situations.